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Finding the Fourth Proportional to 177,924.88, 266,887.32 and 72,719.25

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Solution

The fourth proportional to 177,924.88, 266,887.32 and 72,719.25 is: 109,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,924.88 : 266,887.32 = 72,719.25 : x
  2. Step 2: Convert to fraction form
    177,924.88/266,887.32 = 72,719.25/x
  3. Step 3: Cross multiply
    177,924.88x = 266,887.32 × 72,719.25
  4. Step 4: Simplify right side
    177,924.88x = 19,407,844,880.43
  5. Step 5: Solve for x
    x = 19,407,844,880.43/177,924.88
  6. Step 6: Final answer
    x = 109,078.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.